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Fiber Optics

Multi Loose Tube Cables

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In loose tube cables, the coated fiber "floats" within a rugged, abrasion resistant, oversized tube which is filled with optical gel. Since the tube does not have direct contact with the fiber, any cable material expansion or contraction will not cause stress on the fiber. Much of the external stress placed on the tube also will not be transferred to the fiber. The non-hygroscopic gel prevents water from entering the tube. The loose tube cables are proven the best solution for harsh environment conditions in the outdoors.

Multi Loose Tube Cables

For higher fiber count, multi-tube structure is made of an assembly of different tubes around a central strength element. Fiber count ranges widely dependant on location of active equipment. For outdoor installation, the cables are designed with resistant outer sheath, generally made of polyethylene to resist to more severe environment constraints (abrasion, temperature variation, crush resistance …). It features a watertight conception, obtained by using jelly and/or swellable elements, to stop the water propagation within the cable in case of cable accident. Outdoor cables are mainly installed in ducts or directly buried.

In some case, Indoor-Outdoor structures are required. They combine the water tightness characteristics and LSZH-FR sheath.

Multi Loose Tube, dry core, LSNH jacket

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Multi Loose Tube cable, dry core, with LSNH jacket
max 6 x 6 fibers max 6 x 12 fibers max 8 x 12 fibers max 12 x 12 fibers
Aramid strength members GCAG GCAD GCAE GCAF
Glassyarn strength members, Rodent Protected GCRG GCRD GCRE GCRF
Corrugated Steel Tape, single jacket GCCG GCCD GCCE GCCF
Corrugated Steel Tape, double jacket GCDG GCDD GCDE GCDF
Steel Wire armouring GCWG GCWD GCWE GCWF


Multi Loose Tube, filled core, LSNH jacket

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Multi Loose Tube cable, filled core, with LSNH jacket
max 6 x 6 fibers max 6 x 12 fibers max 8 x 12 fibers max 12 x 12 fibers
Aramid strength members GEAG GEAD GEAE GEAF
Glassyarn strength members, Rodent Protected GERG GERD GERE GERF
Corrugated Steel Tape, single jacket GECG GECD GECE GECF
Corrugated Steel Tape, double jacket GEDG GEDD GEDE GEDF
Steel Wire armouring GEWG GEWD GEWE GEWF


Multi Loose Tube, dry core, PE jacket

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Multi Loose Tube cable, dry core, with PE jacket
max 6 x 6 fibers max 6 x 12 fibers max 8 x 12 fibers max 12 x 12 fibers
Aramid strength members GBAG GBAD GBAE GBAF
Glassyarn strength members, Rodent Protected GBRG GBRD GBRE GBRF
Corrugated Steel Tape, single jacket GBCG GBCD GBCE GBCF
Corrugated Steel Tape, double jacket GBDG GBDD GBDE GBDF
Steel Wire armouring GBWG GBWD GBWE GBWF


Multi Loose Tube, filled core, PE jacket

10_11_GBAD872.jpg






Multi Loose Tube cable, filled core, with PE jacket
max 6 x 6 fibers max 6 x 12 fibers max 8 x 12 fibers max 12 x 12 fibers
Aramid strength members GDAG GDAD GDAE GDAF
Glassyarn strength members, Rodent GDRG GDRD GDRE GDRF
Corrugated Steel Tape, single jacket GDCG GDCD GDCE GDCF
Corrugated Steel Tape, double jacket GDDG GDDD GDDE GDDF
Steel Wire armouring GDWG GDWD GDWE GDWF


For more detailed information on our Fiber Optic cables, e-mail us at or call +31 77 3878555.